3102743987 has 8 divisors (see below), whose sum is σ = 3547369056. Its totient is φ = 2658462912.

The previous prime is 3102743983. The next prime is 3102744037. The reversal of 3102743987 is 7893472013.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3102743987 - 2² = 3102743983 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3102743983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66368 + ... + 103005.

It is an arithmetic number, because the mean of its divisors is an integer number (443421132).

Almost surely, 2^3102743987 is an apocalyptic number.

3102743987 is a deficient number, since it is larger than the sum of its proper divisors (444625069).

3102743987 is a wasteful number, since it uses less digits than its factorization.

3102743987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171997.

The product of its (nonzero) digits is 254016, while the sum is 44.

The square root of 3102743987 is about 55702.2799084562. The cubic root of 3102743987 is about 1458.5298247292.

The spelling of 3102743987 in words is "three billion, one hundred two million, seven hundred forty-three thousand, nine hundred eighty-seven".